[coreboot-gerrit] Change in coreboot[master]: mediatek/mt8183: Init SPM driver

[DAWEI CHIEN (Code Review)]

Hello Yu-Ping Wu, Julius Werner, You-Cheng Syu, Tristan Hsieh, Huayang Duan, Hung-Te Lin, build bot (Jenkins), Patrick Georgi, Martin Roth,

I'd like you to reexamine a change. Please visit

https://review.coreboot.org/c/coreboot/+/34545

to look at the new patch set (#4).

Change subject: mediatek/mt8183: Init SPM driver
......................................................................

mediatek/mt8183: Init SPM driver

For power saving with suspend to ram of mt8183,
this patch supports SPM suspend and loading SPM firmware.
After linux PM suspend, SPM could turn off last CPU power and
do more power-save for SOC. such like DRAM self-refresh mode,
turn off 26M crystal. And SPM need its' own firmware to do
these power-save in right time with correct condition.

BUG=none
BRANCH=none
TEST=suspend/resume pass for LPDDR4 3200

Change-Id: I3393a772f025b0912a5a25a63a87512454fbc86e
Signed-off-by: Dawei Chien 
---
M src/soc/mediatek/mt8183/Makefile.inc
M src/soc/mediatek/mt8183/include/soc/spm.h
A src/soc/mediatek/mt8183/include/soc/spm_init.h
M src/soc/mediatek/mt8183/soc.c
A src/soc/mediatek/mt8183/spm.c
5 files changed, 748 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/45/34545/4